grumble

/ˈɡrʌmbəl/
verb
  1. To complain in a low, muttering voice; to express dissatisfaction quietly or indirectly.
    • She grumbled under her breath as she cleaned up the mess.
    • He grumbled about the long wait at the doctor's office.
    • The students grumbled when the teacher gave them extra homework.
  2. To make a low, rumbling sound, like thunder or a hungry stomach.
    • Thunder grumbled in the distance as the storm approached.
    • The old engine grumbled to life after several attempts.
    • My stomach grumbled loudly during the quiet meeting.
Antonyms
noun
  1. A low, muttering complaint or expression of dissatisfaction.
    • There was a grumble of discontent from the crowd when the concert was canceled.
    • The only sound was the occasional grumble from the tired hikers.
    • He let out a grumble as he realized he had forgotten his keys.
  2. A low, rumbling sound.
    • We heard the grumble of distant thunder.
    • The grumble of the train could be felt through the floor.
    • A deep grumble came from the bear's throat.
What does "grumble" mean? | whatsthatwordmean | whatsthatwordmean